Norwegian Institute of Public Health, Akershus University Hospital, Diakonhjemmet Hospital, Norwegian Institute of Public Health, Norwegian Institute of Public Health, Norwegian Institute of Public Health, Diakonhjemmet Hospital, Norwegian Institute of Public - Department of Infectious Disease Surveillance and Environmental Health, Norwegian Institute of Public Health, Diakonhjemmet Hospital, Norwegian Institute of Public Health, University of Oslo - KG Jebsen Centre for B Cell Malignancies, University of Oslo - Akershus University Hospital, Diakonhjemmet Hospital, Diakonhjemmet Hospital, Diakonhjemmet Hospital, Akershus University Hospital, University of Oslo, University of Oslo - Institute of Clinical Medicine, University of Oslo - Institute of Clinical Medicine, Diakonhjemmet Hospital - Center for treatment of Rheumatic and Musculoskeletal Diseases (REMEDY), University of Oslo, University of Oslo - Department of Immunology and Transfusion Medicine, University of Oslo - KG Jebsen Centre for B Cell Malignancies, Diakonhjemmet Hospital, Diakonhjemmet Hospital, Akershus University Hospital and Norwegian Institute of Public Health - Department of Method Development and Analytics

Diakonhjemmet Hospital - Center for treatment of Rheumatic and Musculoskeletal Diseases (REMEDY), Karolinska Institutet - Clinical Epidemiology Division, Diakonhjemmet Hospital, Diakonhjemmet Hospital, Diakonhjemmet Hospital, Landspitali University Hospital, Diakonhjemmet Hospital, Landspitali University Hospital, Karolinska Institutet - Clinical Epidemiology Division, University of Copenhagen - Department of Clinical Medicine, Landspitali University Hospital, University of Copenhagen - Department of Clinical Medicine, Helsinki University Hospital, Ministry of Social Affairs and Health, Diakonhjemmet Hospital and Karolinska Institutet - Clinical Epidemiology Division

affiliation not provided to SSRN, University of Geneva - Geneva University Hospitals, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Medicine and Pharmacy Carol Davila Bucharest, UOD Reumatologia- Grande Ospedale Metropolitano, Diakonhjemmet Hospital - Center for treatment of Rheumatic and Musculoskeletal Diseases (REMEDY), Diakonhjemmet Hospital, affiliation not provided to SSRN, University of Helsinki - Helsinki University Hospital, Institute of Rheumatology, Institute of Rheumatology, INCLIVA Health Research Institute - Hospital Clínico Universitario, Spanish Society of Rheumatology, Faculdade de Medicina da Universidade de Lisboa, University of Ljubljana, Foundation for Research and Technology - Hellas (FORTH) - Institute of Molecular Biology and Biotechnology (IMBB), University of Crete - Rheumatology, Clinical Immunology and Allergy Department, University of Geneva - Geneva University Hospitals, affiliation not provided to SSRN, affiliation not provided to SSRN, Tel Aviv University and Tel Aviv University

Diakonhjemmet Hospital - Center for treatment of Rheumatic and Musculoskeletal Diseases (REMEDY), affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, VID Specialized University and Diakonhjemmet Hospital